diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2018-11-06 15:57:02 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2018-11-06 15:57:02 +0300 |
| commit | 0c7244209588630a9b45e52490ef1390e04499a6 (patch) | |
| tree | d60f5610f9b36ff05ed5202396c811628bacdb61 /fs/userfaultfd.c | |
| parent | 399474e4c1100bca264ed14fa3ad0d68fab484d8 (diff) | |
| parent | eb7046e9bf466cebfcfbcdf640e41d9e3a80086c (diff) | |
| download | linux-0c7244209588630a9b45e52490ef1390e04499a6.tar.xz | |
Merge branch 'master' into for-4.20/upstream-fixes
Pull in a merge commit that brought in 3b692c55e58d ("HID: asus: only
support backlight when it's not driven by WMI") so that fixup could be
applied on top of it.
Diffstat (limited to 'fs/userfaultfd.c')
| -rw-r--r-- | fs/userfaultfd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index bfa0ec69f924..356d2b8568c1 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1026,7 +1026,7 @@ static ssize_t userfaultfd_ctx_read(struct userfaultfd_ctx *ctx, int no_wait, struct userfaultfd_ctx *fork_nctx = NULL; /* always take the fd_wqh lock before the fault_pending_wqh lock */ - spin_lock(&ctx->fd_wqh.lock); + spin_lock_irq(&ctx->fd_wqh.lock); __add_wait_queue(&ctx->fd_wqh, &wait); for (;;) { set_current_state(TASK_INTERRUPTIBLE); @@ -1112,13 +1112,13 @@ static ssize_t userfaultfd_ctx_read(struct userfaultfd_ctx *ctx, int no_wait, ret = -EAGAIN; break; } - spin_unlock(&ctx->fd_wqh.lock); + spin_unlock_irq(&ctx->fd_wqh.lock); schedule(); - spin_lock(&ctx->fd_wqh.lock); + spin_lock_irq(&ctx->fd_wqh.lock); } __remove_wait_queue(&ctx->fd_wqh, &wait); __set_current_state(TASK_RUNNING); - spin_unlock(&ctx->fd_wqh.lock); + spin_unlock_irq(&ctx->fd_wqh.lock); if (!ret && msg->event == UFFD_EVENT_FORK) { ret = resolve_userfault_fork(ctx, fork_nctx, msg); |